How coral bleaching threatens Caribbean communitiesA new study uses environmental, socioeconomic and management data from 30 Caribbean islands to identify which communities may be most at risk from the social and ecological effects of coral bleaching, which occurs when warm water causes coral polyps to expel algae living in their tissue. (2019-02-20)

Climate change makes summer weather stormier yet more stagnantClimate change is shifting the energy in the atmosphere that fuels summertime weather, which may lead to stronger thunderstorms and more stagnant conditions for midlatitude regions of the Northern Hemisphere, including North America, Europe, and Asia, a new MIT study finds. (2019-02-18)

Political and policy feedbacks in the climate systemMatto Mildenberger, University of California Santa Barbara explains how perceived experiences with climate change in the United States can be linked to political shifts in Congress, culture and society. (2019-02-16)

Preserved leaves reveal 7000 years of rainfall and droughtA study by University of Adelaide researchers and Queensland Government scientists has revealed what south-east Queensland's rainfall was like over the last 7000 years -- including several severe droughts worse and longer lasting than the 12-year Millennium Drought. (2019-02-15)

Sand from glacial melt could be Greenland's economic salvationAs climate change melts Greenland's glaciers and deposits more river sediment on its shores, an international group of researchers has identified one unforeseen economic opportunity for the Arctic nation: exporting excess sand and gravel abroad, where raw materials for infrastructure are in high demand. (2019-02-11)

Climate change: Scientists tap nature, space and societyThree scientists share their research from the natural, physical, and social sciences on novel responses to climate change during the 2019 AAAS Annual Meeting on February 16th, 2019 at 3:30 PM, Marriott Wardman Park, Delaware Suite. (2019-02-11)

Climate change may destroy tiger's homeA James Cook University scientist says the last coastal stronghold of an iconic predator, the endangered Bengal tiger, could be destroyed by climate change and rising sea levels over the next 50 years. (2019-02-10)

Diffusing the methane bomb: We can still make a differenceThe Arctic is warming twice as fast as the rest of the planet, causing the carbon containing permafrost that has been frozen for tens or hundreds of thousands of years to thaw and release methane into the atmosphere, thereby contributing to global warming. (2019-02-06)

Study shows that Vikings enjoyed a warmer GreenlandAfter reconstructing southern Greenland's climate record over the past 3,000 years, a Northwestern University team found that it was relatively warm when the Norse lived there between 985 and 1450 C.E., compared to the previous and following centuries. (2019-02-06)

#514 Arctic Energy (Rebroadcast)This week we're looking at how alternative energy works in the arctic. We speak to Louie Azzolini and Linda Todd from the Arctic Energy Alliance, a non-profit helping communities reduce their energy usage and transition to more affordable and sustainable forms of energy. And the lessons they're learning along the way can help those of us further south.